Finding the Third Proportional to 142,925.50 and 282,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,925.50 : 282,236.50 = 282,236.50 : x
2. Step 2: Convert to fraction form
   142,925.50/282,236.50 = 282,236.50/x
3. Step 3: Cross multiply
   142,925.50x = 282,236.50 × 282,236.50
4. Step 4: Simplify right side
   142,925.50x = 79,657,441,932.25
5. Step 5: Solve for x
   x = 79,657,441,932.25/142,925.50
6. Step 6: Final answer
   x = 557,335.41